#!/usr/bin/env python
#
# BSD 3-Clause License
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# Copyright 2021 Huawei Technologies Co., Ltd
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# ============================================================================
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import argparse
import sys

# torchlight
import torch
if torch.__version__ >= "1.8":
    import torch_npu
import torchlights
from torchlights import import_class
import torch.npu
import os
NPU_CALCULATE_DEVICE = 0
if os.getenv('NPU_CALCULATE_DEVICE') and str.isdigit(os.getenv('NPU_CALCULATE_DEVICE')):
    NPU_CALCULATE_DEVICE = int(os.getenv('NPU_CALCULATE_DEVICE'))
if torch.npu.current_device() != NPU_CALCULATE_DEVICE:
    torch.npu.set_device(f'npu:{NPU_CALCULATE_DEVICE}')

if __name__ == '__main__':

    parser = argparse.ArgumentParser(description='Processor collection')

    # region register processor yapf: disable
    processors = dict()
    processors['recognition'] = import_class('processor.recognition.REC_Processor')
    processors['demo_old'] = import_class('processor.demo_old.Demo')
    processors['demo'] = import_class('processor.demo_realtime.DemoRealtime')
    processors['demo_offline'] = import_class('processor.demo_offline.DemoOffline')
    #endregion yapf: enable

    # add sub-parser
    subparsers = parser.add_subparsers(dest='processor')
    for k, p in processors.items():
        subparsers.add_parser(k, parents=[p.get_parser()])

    # read arguments
    arg = parser.parse_args()

    # start
    Processor = processors[arg.processor]
    p = Processor(sys.argv[2:])

    p.start()
